ENVS 1126 Lecture Notes - Lecture 23: Soho, List Of Gasoline Additives, List Of Disney Animated Shorts
23 Nov 2016
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Document Summary
Environmental health: the study of the connections between hazards in the environment and human diseases, don"t forget that humans are a part of the environment. Hazard: anything that causes (1) injury, disease, or death to humans, (2) damage to personal or public property, or (3) deterioration or destruction of environmental components. Vulnerability: susceptibility to, or likelihood of being exposed to, a hazard. Epidemiology: the study of the presence, distribution, and prevention of disease in populations. Epidemiologist investigates a disease"s source and trajectory, and it mode and extent of transmission. John snow traced the source of cholera in england (1854) to the broad street pump. Environmental hazards and human health: how are we exposed: factors. Effects are immediate, e. g. , sneezing and even death in sensitive individuals. Effects take a long time to develop, like lung cancer. Can be due to either acute or chronic exposure: toluene: found naturally in crude oil; mainly a gasoline additive.
